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t UNION ICE COMPANY 425 North Clition Street, Stockton, CA - Phase If Remcclial }fork Plan 1.0 I-WOfECT IDENTIFICATIO11r The purpose of this Phase Ii Remedial Work Plan is to investigate ow. Iornigr location of Tank ##3, which was a 500 gallon tank that. contained both gasoline and fuel oil or diesel fuel in the past. It is located outside the perimeter of the property, under the sidewalk, in the northeast corner of the service yard. 2.0 SITE DESCRIPTION The property is located at 425 North Union Street in Stockton, California. Tile property is approximately 1.5 acres in size and has an ice manufacturing plant, an adjacent rest- room and a shed on the property. 3.0 SITE HISTORY This site has been owned and operated by Union Ice Company for over 100 years. No previous use of Elie property is known. This site was used to manufacture block ice. In August 1989, it was discovered that 4 underground tanks were located at the Union Ice Facility at 425 N. Union Street, in Stockton, California. Tank#1 and Tank#2 were 10,000 gallon fuel tanks that had been filled with water by Union Ice sometime in the past. Tank #3 was a 500 gallon tank that contained both gasoline and fuel oil or die-vel fuel in the past, and Tank #4 was a 250 gallon tank that contained waste oil. h1 September of 1989, these tanks were removed by "Semco" under permit and under the direction of the San Joaquin Environmental Health Department. All tanks were disposed of according to law. Soil samples were taken beneath all 4 tanks. It was determined that Tanks #1 and #2 had not leaked. Tank#4, however, ha-,: leaked at some time in the past, or had been overfilled. A soil sample was taken approximately 5 feet below the bottom of 'Tank ##4, and lab results show "none detected." Tank #3 had leaked, and in November of 1989, a proposal to excavate the contaminated soil from Tank #f3 was submitted to the San Joaquin County Health Department. This proposal was accepted, and on January I8, 1990, the excavation was begu_n.. The excavation was completed on January 24, 1990. Approximately 550 yards ------------- -- of soil was excavated, and was rcmediated at the Union Ice, Weber Street site.